/Engine/Source/Runtime/Core/Public/Containers/BitArray.h
Sets range of bits within thisTBitArrayto the values read out anotherTBitArray.
template<typename OtherAllocator> void SetRangeFromRange ( int32 Index, int32 NumBitsToSet, const [TBitArray](API\Runtime\Core\Containers\TBitArray)< OtherAllocator > & ReadBits, int32 ReadOffsetBits )